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Xin Yu

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bone conduction headphone
    • Patent number D926726
    • Issue date Aug 3, 2021
    • Shenzhen Voxtech Co., Ltd.
    • Haofeng Zhang
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headphone charging case
    • Patent number D924130
    • Issue date Jul 6, 2021
    • Shenzhen Voxtech Co., Ltd.
    • Haofeng Zhang
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Bone conduction headphone
    • Patent number D915345
    • Issue date Apr 6, 2021
    • Shenzhen Voxtech Co., Ltd.
    • Haofeng Zhang
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Bone conduction headphone
    • Patent number D909996
    • Issue date Feb 9, 2021
    • Shenzhen Voxtech Co., Ltd.
    • Haofeng Zhang
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Bone conduction headphone
    • Patent number D907002
    • Issue date Jan 5, 2021
    • Shenzhen Voxtech Co., Ltd.
    • Haofeng Zhang
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Bone conduction headphone
    • Patent number D906281
    • Issue date Dec 29, 2020
    • Shenzhen Voxtech Co., Ltd.
    • Haofeng Zhang
    • D14 - Recording, communication, or information retrieval equipment